code: def test_mg_frame_handle(graph, dask_client):
      F, G, N = graph
      cugraph_store = CuGraphStore(F, G, N, multi_gpu=True)
      assert isinstance(
          cugraph_store._CuGraphStore__graph._plc_graph, dict
      )
  
imports: import cugraph
  from cugraph_pyg.data.cugraph_store import CuGraphTensorAttr, CuGraphEdgeAttr, EdgeLayout
  from cugraph_pyg.data import CuGraphStore
  import cudf
  import dask_cudf
  import cupy
  import numpy
  from cugraph.utilities.utils import import_optional, MissingModule
  import pytest
label_desc: Use image node_id 20 for calling a global function with example usage: test_mg_frame_handle(graph, dask_client) without return types